You think you are smart?

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Across
  1. 3. Large stack of hay, also called hayrick
  2. 6. Strong and firm
  3. 8. Mix of surprise, shock, wonder and amazement
  4. 9. To present facts and conclusions officialy
  5. 11. Large natural elevation of the earth's surface
  6. 12. Easy spreading infection disease
Down
  1. 1. One of the oldest board games for two players
  2. 2. Physician who specializes in psychiatry
  3. 4. Room in which you sleep
  4. 5. Plant appreciated for its blossoms
  5. 7. Someone currently taking part in a war
  6. 10. Quiet laugh with satisfaction